326222128 has 10 divisors (see below), whose sum is σ = 632055404. Its totient is φ = 163111056.

The previous prime is 326222119. The next prime is 326222167. The reversal of 326222128 is 821222623.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 326222096 and 326222105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10194426 + ... + 10194457.

Almost surely, 2^326222128 is an apocalyptic number.

It is an amenable number.

326222128 is a deficient number, since it is larger than the sum of its proper divisors (305833276).

326222128 is a wasteful number, since it uses less digits than its factorization.

326222128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20388891 (or 20388885 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 326222128 is about 18061.6203038376. The cubic root of 326222128 is about 688.3951556365.

The spelling of 326222128 in words is "three hundred twenty-six million, two hundred twenty-two thousand, one hundred twenty-eight".